Display device

Abstract

A display device includes: a normal semiconductor pattern disposed in a normal display area and including a normal driving channel region and a normal conductive region adjacent to the normal driving channel region, a compensation semiconductor pattern disposed in a luminance compensation display area and including a compensation driving channel region and a compensation conductive region, a first inorganic insulating layer array disposed to cover the normal semiconductor pattern and the compensation semiconductor pattern, a second inorganic insulating layer array disposed on the first inorganic insulating layer array, a shielding electrode disposed between the first inorganic insulating layer array and the second inorganic insulating layer array and directly contacting the compensation conductive region through a through hole, a normal conductive layer disposed on the second inorganic insulating layer array, wherein a part of the normal conductive layer overlapping the normal conductive region in a plan view directly contacts the normal conductive region through a through hole, and a compensation conductive layer wherein a part of the compensation conductive layer overlapping the compensation conductive region in the plan view directly contacts the shielding electrode through a through hole.

What is claimed is: 
     
         1 . A display device comprising:
 a first semiconductor pattern disposed in a first display area having a first light transmittance and including a first driving channel region and a first conductive region adjacent to the first driving channel region;   a second semiconductor pattern disposed in a second display area adjacent to the first display area and including a second driving channel region and a second conductive region adjacent to the second driving channel region, wherein the second display area has a second light transmittance, the second light transmittance is greater than the first light transmittance, and the first semiconductor pattern and the second semiconductor pattern are disposed in a same layer;   at least one first inorganic insulating layer covering the first semiconductor pattern and the second semiconductor pattern;   at least one second inorganic insulating layer disposed on the at least one first inorganic insulating layer;   a shielding electrode disposed between the at least one first inorganic insulating layer and the at least one second inorganic insulating layer and directly contacting the second conductive region through a through hole exposing the second conductive region by penetrating the at least one first inorganic insulating layer;   a first conductive layer disposed on the at least one second inorganic insulating layer in the first display area,   wherein a part of the first conductive layer overlaps the first conductive region when viewed in a plan view, and   wherein the part of the first conductive layer directly contacts the first conductive region through a through hole penetrating the at least one first inorganic insulating layer and the at least one second inorganic insulating layer; and   a second conductive layer disposed in the second display area,   wherein a part of the second conductive layer overlaps the second conductive region when viewed in the plan view,   wherein the part of the second conductive layer directly contacts the shielding electrode through a through hole penetrating the at least one second inorganic insulating layer, and   wherein the second conductive layer and the first conductive layer are disposed in a same layer.   
     
     
         2 . The display device of  claim 1 ,
 wherein an area of the first driving channel region is smaller than an area of the second driving channel region when viewed in the plan view.   
     
     
         3 . The display device of  claim 1 ,
 wherein, when viewed in the plan view, the first driving channel region has a curved shape and the second driving channel region has a rectangular shape.   
     
     
         4 . The display device of  claim 1 ,
 wherein the second conductive region and the first conductive region are configured to receive a same type of signal.   
     
     
         5 . The display device of  claim 1 , wherein:
 the first semiconductor pattern further includes a first switching conductive region spaced apart from each of the first driving channel region and the first conductive region,   the second semiconductor pattern further includes a second switching conductive region spaced apart from each of the second driving channel region and the second conductive region, and   the first switching conductive region and the second switching conductive region are configured to receive a same type of signal.   
     
     
         6 . The display device of  claim 5 , wherein:
 a part of the first conductive layer overlaps the first switching conductive region when viewed in the plan view,   the part of the first conductive layer directly contacts the first switching conductive region through a through hole penetrating the at least one first inorganic insulating layer and the at least one second inorganic insulating layer,   a part of the second conductive layer overlaps the second switching conductive region when viewed in the plan view,   the part of the second conductive layer directly contacts a switching shielding electrode disposed between the at least one first inorganic insulating layer and the at least one second inorganic insulating layer through a through hole penetrating the at least one second inorganic insulating layer, and   the switching shielding electrode directly contacts the second switching conductive region through a through hole penetrating the at least one first inorganic insulating layer.   
     
     
         7 . The display device of  claim 1 , further comprising:
 a first light emitting element disposed in the first display area and electrically connected to the first semiconductor pattern; and   a second light emitting element disposed in the second display area and electrically connected to the second semiconductor pattern.   
     
     
         8 . The display device of  claim 7 ,
 wherein a light emitting area of the second light emitting element is larger than a light emitting area of the first light emitting element when viewed in the plan view.   
     
     
         9 . The display device of  claim 7 ,
 wherein the first driving channel region corresponds to a channel of a first driving transistor providing a driving current to the first light emitting element, and   wherein the second driving channel region corresponds to a channel of a second driving transistor providing a driving current to the second light emitting element.   
     
     
         10 . The display device of  claim 1 , wherein:
 the first semiconductor pattern is provided in plural in the first display area,   the second semiconductor pattern is provided in plural in the second display area,   a number of a plurality of first semiconductor patterns per a first unit area of the first display area is different from a number of a plurality of second semiconductor patterns per a second unit area of the second display area, and   the first unit area and the second unit area are the same in size.   
     
     
         11 . A display device comprising:
 a first semiconductor pattern disposed in a first display area having a first light transmittance and including a first switching channel region and a first switching conductive region adjacent to the first switching channel region;   a second semiconductor pattern disposed in a second display area adjacent to the first display area and including a second switching channel region and a second switching conductive region adjacent to the second switching channel region, wherein the second display area has a second light transmittance, the second light transmittance is greater than the first light transmittance, and the first semiconductor pattern and the second semiconductor pattern are disposed in a same layer;   at least one inorganic insulating layer covering the first semiconductor pattern and the second semiconductor pattern;   at least one second inorganic insulating layer disposed on the at least one first inorganic insulating layer;   a shielding electrode disposed between the at least one first inorganic insulating layer and the at least one second inorganic insulating layer and directly contacting the second switching conductive region through a through hole exposing the second switching conductive region by penetrating the at least one first inorganic insulating layer;   a first conductive layer disposed on the at least one second inorganic insulating layer in the first display area,   wherein a part of the first conductive layer overlaps the first switching conductive region when viewed in a plan view, and   wherein the part of the first conductive layer directly contacts the first switching conductive region through a through hole penetrating the at least one first inorganic insulating layer and the at least one second inorganic insulating layer; and   a second conductive layer disposed in the second display area,   wherein a part of the second conductive layer overlaps the second switching conductive region when viewed in the plan view,   wherein the part of the second conductive layer directly contacts the shielding electrode through a through hole penetrating the at least one second inorganic insulating layer, and   wherein the second conductive layer and the first conductive layer are disposed in a same layer.   
     
     
         12 . The display device of  claim 11 ,
 wherein the second switching conductive region and the first switching conductive region are configured to receive a same type of signal.   
     
     
         13 . The display device of  claim 11 ,
 wherein a shape and an area of the first switching channel region are the same as a shape and an area of the second switching channel region when viewed in the plan view.   
     
     
         14 . The display device of  claim 11 ,
 wherein a shape and an area of the first switching conductive region are the same as a shape and an area of the second switching conductive region when viewed in the plan view.   
     
     
         15 . The display device of  claim 11 , further comprising:
 a first light emitting element disposed in the first display area and electrically connected to the first semiconductor pattern; and   a second light emitting element disposed in the second display area and electrically connected to the second semiconductor pattern.   
     
     
         16 . The display device of  claim 15 ,
 wherein a light emitting area of the second light emitting element is larger than a light emitting area of the first light emitting element when viewed in the plan view.   
     
     
         17 . The display device of  claim 15 , wherein:
 the first semiconductor pattern further includes a first driving channel region corresponding to a channel of a first driving transistor providing a driving current to the first light emitting element,   the second semiconductor pattern further includes a second driving channel region corresponding to a channel of a second driving transistor providing a driving current to the second light emitting element,   the first switching channel region corresponds to a channel of a first switching transistor electrically connected to the first driving transistor, and   the second switching channel region corresponds to a channel of a second switching transistor electrically connected to the second driving transistor.   
     
     
         18 . The display device of  claim 11 , wherein:
 the first semiconductor pattern is provided in plural in the first display area,   the second semiconductor pattern is provided in plural in the second display area,   a number of a plurality of first semiconductor patterns per a first unit area of the first display area is different from a number of a plurality of second semiconductor patterns per a second unit area of the second display area, and   the first unit area and the second unit area are the same in size.   
     
     
         19 . A display device comprising:
 a first pixel disposed in a first display area having a first light transmittance and including a first pixel circuit and a first light emitting element electrically connected to the first pixel circuit; and   a second pixel disposed in a second display area adjacent to the first display area and including a second pixel circuit and a second light emitting element electrically connected to the second pixel circuit,   wherein the second display area has a second light transmittance, and the second light transmittance is greater than the first light transmittance,   wherein the first pixel circuit includes:
 a first semiconductor pattern; 
 a first conductive layer disposed on the first semiconductor pattern; 
 a plurality of inorganic insulating layers disposed between the first semiconductor pattern and the first conductive layer; and 
 a plurality of first vias penetrating the plurality of inorganic insulating layers and connecting the first semiconductor pattern to the first conductive layer, and 
   wherein the second pixel circuit includes:
 a second semiconductor pattern; 
 a second conductive layer disposed in a same layer as the first conductive layer, wherein the plurality of inorganic insulating layers are disposed between the second semiconductor pattern and the second conductive layer; 
 a plurality of shielding electrodes penetrating M inorganic insulating layers among the plurality of inorganic insulating layers and directly contacting the second conductive layer; and 
 a plurality of second vias penetrating N inorganic insulating layers among the plurality of inorganic insulating layers and connecting the second conductive layer to the plurality of shielding electrodes, 
   wherein the M inorganic insulating layers are disposed below the N inorganic insulating layers, and   wherein a number of the plurality of inorganic insulating layer is a sum of M and N.   
     
     
         20 . The display device of  claim 19 ,
 wherein, when viewed in a plan view, an area of the first pixel circuit and an area of the second pixel circuit are the same, and a light emitting area of the second light emitting element is larger than a light emitting area of the first light emitting element.